- Title Information
- Title
- From Payer to Provider: Impacts of Insurer Vertical Expansion into Physician Services
- Type of Resource (primo)
- technical_reports
- Abstract
- Vertical integration can both create efficiencies and harm competition. We examine these tensions through one of the most prominent forms of vertical integration in the United States: the acquisition of physician practices by the nation’s largest insurer, UnitedHealth Group. Using a difference-in-differences design and Medicare administrative data, we find minimal changes to acquired practice case mix or care quality, but do find evidence of increased coding intensity. Insurer-provider integration can have significant fiscal externalities.
- Name
- Name Part
- Jeffrey Marr
- Role
- Role Term (marcrelator)
(authorityURI="http://id.loc.gov/vocabulary/relators", valueURI="http://id.loc.gov/vocabulary/relators/aut")
- Author
- Name
- Name Part
- Christopher M. Whaley
- Role
- Role Term (marcrelator)
(authorityURI="http://id.loc.gov/vocabulary/relators", valueURI="http://id.loc.gov/vocabulary/relators/aut")
- Author
- Name
- Name Part
- Xiaoxi Zhao
- Role
- Role Term (marcrelator)
(authorityURI="http://id.loc.gov/vocabulary/relators", valueURI="http://id.loc.gov/vocabulary/relators/aut")
- Author
- Origin Information
- Date Created
- 2026-04-14
- Subject (Local)
- Topic
- Primary Care
- Subject (Local)
- Topic
- Insurer vertical integration
- Subject (Local)
- Topic
- health care markets
- Subject (Local)
- Topic
- United Healthcare
- Genre
- Working Paper
- Access Condition:
use and reproduction
- All rights reserved
- Access Condition:
rights statement
(href="http://rightsstatements.org/vocab/InC/1.0/")
- In Copyright
- Access Condition:
restriction on access
- All Rights Reserved
- Identifier:
DOI
- 10.26300/9xte-nh94